var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var axios = require('axios');

var index = require('./routes/index');
var api = require('./routes/api');

var app = express();
axios.interceptors.request.use(function(request) {
  request['headers']['common']['Accept'] = 'application/json;charset=GBK;';
  return request;
}, function(error) {
  return Promise.reject(error);
});

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
  extended: false
}));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', index);
app.use('/api', api);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};
  // res.writeHead(200, {
  //   'Content-Type': 'text/html;charset=utf-8'
  // });

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});


module.exports = app;